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<?php |
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namespace Staticus\Resources\Middlewares\Image; |
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use League\Flysystem\FilesystemInterface; |
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use Psr\Http\Message\ResponseInterface; |
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use Psr\Http\Message\ServerRequestInterface; |
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use Staticus\Config\ConfigInterface; |
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use Staticus\Resources\ResourceDOInterface; |
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abstract class ImageCompressMiddlewareAbstract extends ImagePostProcessingMiddlewareAbstract |
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{ |
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/** |
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* @var ConfigInterface |
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*/ |
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protected $config; |
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public function __construct( |
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ResourceDOInterface $resourceDO |
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, FilesystemInterface $filesystem |
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, ConfigInterface $config |
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) |
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{ |
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parent::__construct($resourceDO, $filesystem); |
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$this->config = $config; |
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} |
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public function __invoke( |
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ServerRequestInterface $request, |
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ResponseInterface $response, |
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callable $next = null |
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) |
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{ |
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parent::__invoke($request, $response, $next); |
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if (!$this->isSupportedResponse($response)) { |
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return $next($request, $response); |
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} |
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if ($this->isAllowed()) { |
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$interlacing = $this->config->get('staticus.images.compress.interlace', false); |
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$quality = $this->config->get('staticus.images.compress.quality', false); |
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$maxWidth = $this->config->get('staticus.images.compress.maxWidth', false); |
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$maxHeight = $this->config->get('staticus.images.compress.maxHeight', false); |
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$this->compress($this->resourceDO->getFilePath(), $interlacing, $quality, $maxWidth, $maxHeight); |
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} |
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return $next($request, $response); |
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} |
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public function compress($sourcePath, $interlacing = null, $quality = null, $maxWidth = null, $maxHeight = null) |
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{ |
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if (!$interlacing && !$quality && (!$maxWidth || !$maxHeight)) { |
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return; |
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} |
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$imagick = $this->getImagick($sourcePath); |
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if ($interlacing) { |
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$imagick->setInterlaceScheme($interlacing); |
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} |
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if ($quality) { |
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$imagick->setImageCompressionQuality($quality); |
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} |
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if ( |
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// if width and height is already set in resourceDO, this middleware MUST not call default resizing |
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!$this->resourceDO->getDimension() |
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&& $maxWidth |
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&& $imagick->getImageWidth() > $maxWidth |
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&& $maxHeight |
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&& $imagick->getImageHeight() > $maxHeight |
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) { |
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$imagick->adaptiveResizeImage($maxWidth, $maxHeight, true); |
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} |
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$imagick->writeImage($sourcePath); |
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$imagick->clear(); |
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$imagick->destroy(); |
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} |
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/** |
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* @return bool |
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*/ |
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protected function isAllowed() |
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{ |
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return $this->config->get('staticus.images.compress.compress', false) |
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&& ( |
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$this->resourceDO->isNew() // For the POST method |
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|| $this->resourceDO->isRecreate() // For the POST method |
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) |
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&& $this->filesystem->has($this->resourceDO->getFilePath()); |
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} |
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} |
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